FoxRiver Women's Peak Series VVS Ultra Pro Ultra-Lightweight and Silk Ski Socks 41% merino Wool/40% Nylon/16% Silk/3% Spandex Made in US Luxurious women's ultra-lightweight socks with natural fibers of merino wool and silk are knit to fit each foot for a superior feel on the slopes What could be better? Moisture-managing fibers that keep feet dry, warm and comfortable VVS styles are designed at varying volumes of weight to better fit pro-level boots, these OTC socks are ultra-lightweight Reinforced toe and heel add durability and longer sock life Made in the USA, these merino wool ski socks will keep you warm on the mountain